CN112595738A - Wire and cable heat resistance performance detection device - Google Patents
Wire and cable heat resistance performance detection device Download PDFInfo
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- CN112595738A CN112595738A CN202011244486.5A CN202011244486A CN112595738A CN 112595738 A CN112595738 A CN 112595738A CN 202011244486 A CN202011244486 A CN 202011244486A CN 112595738 A CN112595738 A CN 112595738A
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical group N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
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- Fire-Detection Mechanisms (AREA)
Abstract
The invention relates to a detection device, in particular to a wire and cable heat resistance detection device. The invention aims to provide a wire and cable heat resistance detection device which can automatically ignite a wire and cable, is time-saving, labor-saving and efficient. A wire and cable heat resistance detection device comprising: the placing plate is connected with a first supporting rod; a second support rod connected to the placing plate; a third support bar connected to the placing plate; the storage component is connected to the first support rod; and the heating assembly is arranged on the placing plate. The invention achieves the following effects: according to the invention, the storage component and the heating component are used for igniting the electric wire and the cable to detect the heat resistance performance of the electric wire and the cable.
Description
Technical Field
The invention relates to a detection device, in particular to a wire and cable heat resistance detection device.
Background
The wire and cable is used for transmitting electric energy, information and wire products for realizing electromagnetic energy conversion. The generalized electric wire and cable is also called as cable for short, and the narrow cable refers to an insulated cable, which is burnt by fire when being purchased, is extinguished within 5s after leaving, and has a certain flame retardant function and is used as national marking.
At present, the manual work is carried out heat resistance to electric wire and cable and is carried out the contact and tailor the mark at first with every electric wire and cable, then assemble the back and ignite with lighter one electric wire and cable, extinguish then qualified in five seconds, otherwise unqualified, detect like this and need the manual work to ignite the electric wire and cable repeatedly, waste time and energy, work load is big.
Therefore, it is necessary to design a device for detecting the heat resistance of the electric wire and cable, which can automatically ignite the electric wire and cable, and is time-saving, labor-saving and efficient.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects that manual repeated ignition of wires and cables is needed, time and labor are wasted, and workload is large.
(2) Technical scheme
In order to solve the above technical problem, the present invention provides a device for detecting a thermal resistance of a wire cable, comprising: the placing plate is connected with a first supporting rod; a second support rod connected to the placing plate; a third support bar connected to the placing plate; the storage component is connected to the first support rod; and the heating assembly is arranged on the placing plate.
Preferably, the magazine assembly comprises: the blanking frame is connected to the first support rod; a blanking roller rotatably connected to the blanking frame; an n-type bar slidably coupled to the placing plate; and the sliding support block is connected to the n-type rod in a sliding mode.
Preferably, the heating assembly comprises: the big lighter is connected to the placing plate; the first L-shaped rod is connected to the big lighter; the first spring is sleeved between the first L-shaped rod and the second supporting rod.
Preferably, the device further comprises a left and right assembly, the left and right assembly comprising: the screw rod is rotatably connected to the third support rod; the positioning block is connected to the screw rod in a threaded manner; and the L-shaped sliding rod is connected to the positioning block in a sliding manner and is connected with the sliding support block.
Preferably, the device further comprises a driving assembly, wherein the driving assembly comprises: a motor mounted on the placing plate; the gear lack is connected to the output shaft of the motor; the first gear is rotatably connected to the first supporting rod and meshed with the gear lack, and the first gear is in transmission connection with the screw rod.
Preferably, the lifting device further comprises a lifting assembly, wherein the lifting assembly comprises: the short rack is connected to the sliding support block; the first rotating shaft is rotatably connected to the second supporting rod; the cam is connected to the first rotating shaft and is positioned right below the first L-shaped rod; and the first one-way gear is connected to the first rotating shaft and meshed with the short rack.
Preferably, still include the unloading subassembly, the unloading subassembly includes: the second one-way gear is rotatably connected to the second support rod and meshed with the short rack; the second rotating shaft is rotatably connected to the second supporting rod and is in transmission connection with the second one-way gear; the first bevel gear is connected to the second rotating shaft; and the second bevel gear is connected to the blanking roller and meshed with the first bevel gear.
Preferably, the device further comprises an ejection assembly, wherein the ejection assembly comprises: the long rack is connected to the placing plate in a sliding manner; the second L-shaped rod is connected to the long rack; the second gear is rotatably connected to the placing plate and meshed with the long rack; the transmission gear is rotatably connected to the third supporting rod; and the third one-way gear is rotatably connected to the third supporting rod, is meshed with the transmission gear and is in transmission connection with the second gear.
Preferably, a drop assembly is also included, the drop assembly including: the cold shrinkage pipe is connected to the screw rod; and the second spring is sleeved between the n-type rod and the placing plate.
(3) Advantageous effects
1. According to the invention, the storage component and the heating component are used for igniting the electric wire and the cable to detect the heat resistance performance of the electric wire and the cable.
2. Through the left and right assemblies and the driving assembly, the sliding support block does not need to be manually pushed manually to carry out ignition detection on the electric wire and the cable.
3. Thereby need not artifical the first L type pole of pushing down to light wire and cable through lifting unit, further saved the manpower and improved work efficiency.
4. Thereby need not the manual work to rotate the unloading cylinder through the unloading subassembly and carry out the unloading to wire and cable, saved the manpower, and more automatic.
5. Thereby need not artifically take off the wire and cable after detecting the completion through the subassembly that releases and drop, and reach one and carry out the effect of separation collection to qualified and unqualified wire and cable.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a first partial structure of the present invention.
Fig. 3 is a schematic perspective view of a second partial structure of the present invention.
The labels in the figures are: 1-a placing plate, 2-a first supporting rod, 3-a second supporting rod, 4-a third supporting rod, 5-a material storage component, 51-a blanking frame, 52-a blanking roller, 53-an type rod, 54-a sliding support block, 6-a heating component, 61-a big fire engine, 62-a first L-shaped rod, 63-a first spring, 7-a left component, 71-a screw rod, 72-a positioning block, 73-an L-shaped sliding rod, 8-a driving component, 81-a motor, 82-a missing gear, 83-a first gear, 9-a lifting component, 91-a short rack, 92-a first rotating shaft, 93-a cam, 94-a first one-way gear, 10-a blanking component, 101-a second one-way gear, 102-a second rotating shaft, 103-a first bevel gear, 104-second bevel gear, 11-push-out component, 111-long rack, 112-second L-shaped rod, 113-second gear, 114-transmission gear, 115-third one-way gear, 12-drop component, 121-cold shrink tube, 122-second spring.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
The utility model provides a wire and cable heat resistance can detection device, as shown in fig. 1 and 2, including placing board 1, first branch 2, second branch 3, third branch 4, storage component 5 and heating element 6, place 1 rear portion right side of board and be connected with first branch 2, place 1 top front side of board and be connected with second branch 3, place 1 top left side of board and be connected with third branch 4, 2 upper portion left sides of first branch are connected with storage component 5, place 1 top middle heating element 6 that is equipped with of board.
The storage assembly 5 comprises a blanking frame 51, a blanking roller 52, n-shaped rods 53 and sliding support blocks 54, the blanking frame 51 is connected to the left side of the upper portion of the first support rod 2, the blanking roller 52 is connected between the left side and the right side of the lower portion of the blanking frame 51 in a rotating mode, the n-shaped rods 53 are connected to the front side and the rear side of the top of the placing plate 1 in a sliding mode, and the sliding support blocks 54 are connected to the right sides of the n-shaped rods 53 on the front side and the rear.
When people need to detect the heat resistance of the electric wire, the device can be used, firstly, the electric wire is manually placed in the blanking frame 51, the wire and cable are then dropped manually onto the slip blocks 54 on both sides by rotating the blanking roller 52, then the sliding support block 54 is manually pushed to move leftwards to the position right above the big lighter 61, then the first L-shaped rod 62 is manually pressed downwards to drive the big lighter 61 to light the electric wire, the first L-shaped rod 62 moves downwards, the first spring 63 is compressed, the first L-shaped rod 62 is manually placed after being lighted to reset through the compressed first spring 63, the sliding support block 54 is continuously pushed to move leftwards to enable the electric wire not to be matched with the big lighter 61, the electric wire is qualified if the electric wire is extinguished after five seconds, otherwise, the electric wire is unqualified, the electric wire is manually taken down after detection is completed, and the sliding support block 54 is manually pushed to move rightwards to reset.
Example 2
On the basis of the embodiment 1, as shown in fig. 2, the device further includes a left assembly 7 and a right assembly 7, the left assembly 7 includes a screw rod 71, a positioning block 72 and an L-shaped slide rod 73, the screw rod 71 is rotatably connected to the upper portion of the third support rod 4, the positioning block 72 is threadedly connected to the right side of the screw rod 71, the L-shaped slide rods 73 are slidably connected to the front and rear sides of the top of the positioning block 72, and the L-shaped slide rods 73 on the two sides are connected to the sliding support blocks 54 on the.
When the sliding support block 54 needs to be pushed to move leftwards for detection, the positioning block 72 is driven to move leftwards by manually rotating the screw rod 71, the positioning block 72 moves leftwards to drive the L-shaped sliding rod 73 to move leftwards, and the L-shaped sliding rod 73 moves leftwards to drive the sliding support block 54 to move leftwards, so that the sliding support block 54 does not need to be manually pushed to ignite wires and cables, manpower is saved, and working efficiency is improved. The detection is completed and the resetting is carried out by manually reversing the screw rod 71.
Example 3
On the basis of embodiment 2, as shown in fig. 2, the device further comprises a driving assembly 8, the driving assembly 8 comprises a motor 81, a missing gear 82 and a first gear 83, the motor 81 is installed on the right side of the top of the placing plate 1, the motor 81 is connected with the missing gear 82 through an output shaft, the first gear 83 is rotatably connected to the rear side of the lower portion of the first supporting rod 2, the first gear 83 is meshed with the missing gear 82, and the first gear 83 is in transmission connection with the screw rod 71.
When the screw rod 71 needs to be rotated to push the sliding support block 54, the manual starting motor 81 rotates to drive the gear lack 82 to rotate, the gear lack 82 rotates to drive the first gear 83 to rotate, the first gear 83 rotates to drive the screw rod 71 to rotate, and therefore the screw rod 71 does not need to be manually rotated to push the sliding support block 54 to move leftwards, labor is saved, and working efficiency is improved. After the detection is completed, the motor 81 is returned by reversing the rotation.
Example 4
On the basis of embodiment 3, as shown in fig. 3, the lifting device 9 is further included, the lifting device 9 includes a short rack 91, a first rotating shaft 92, a cam 93 and a first one-way gear 94, the short rack 91 is connected to the bottom of the front sliding support block 54, the first rotating shaft 92 is rotatably connected to the left side of the upper portion of the second support rod 3, the cam 93 is connected to the rear side of the first rotating shaft 92, the cam 93 is located right below the first L-shaped rod 62, the first one-way gear 94 is connected to the rear end of the first rotating shaft 92, and the first one-way gear 94 is meshed with the short rack 91.
When the sliding support block 54 moves leftwards, the sliding support block 54 moves leftwards to drive the short rack 91 to move leftwards, the short rack 91 moves leftwards to drive the first one-way gear 94 to rotate, the first one-way gear 94 rotates to drive the first rotating shaft 92 to rotate, the first rotating shaft 92 rotates to drive the cam 93 to rotate, and the cam 93 rotates to drive the first L-shaped rod 62 to move downwards, so that the first L-shaped rod 62 does not need to be manually pressed downwards to ignite wires and cables, manpower is further saved, and working efficiency is improved.
On the basis of embodiment 3, as shown in fig. 2, the blanking device further includes a blanking assembly 10, the blanking assembly 10 includes a second one-way gear 101, a second rotating shaft 102, a first bevel gear 103 and a second bevel gear 104, the second one-way gear 101 is rotatably connected to the middle of the upper portion of the second support rod 3, the second one-way gear 101 is engaged with the short rack 91, the second rotating shaft 102 is rotatably connected to the right side of the upper portion of the second support rod 3, the second rotating shaft 102 is in transmission connection with the second one-way gear 101, the first bevel gear 103 is connected to the rear side of the second rotating shaft 102, the second bevel gear 104 is connected to the right side of the blanking roller 52, and the second bevel gear 104 is engaged with the.
When the sliding support block 54 moves rightwards to reset, the sliding support block 54 moves rightwards to drive the short rack 91 to move rightwards, the short rack 91 moves rightwards to drive the second one-way gear 101 to rotate, the second one-way gear 101 rotates to drive the second rotating shaft 102 to rotate, the second rotating shaft 102 rotates to drive the first bevel gear 103 to rotate, the first bevel gear 103 rotates to drive the second bevel gear 104 to rotate, the second bevel gear 104 rotates to drive the blanking roller 52 to rotate, and therefore the blanking roller 52 does not need to be rotated manually to carry out blanking on electric wires and cables, manpower is saved, and automation is improved.
In addition to embodiment 3, as shown in fig. 3, the pushing-out device 11 further includes a pushing-out assembly 11, the pushing-out assembly 11 includes a long rack 111, a second L-shaped rod 112, a second gear 113, a transmission gear 114 and a third one-way gear 115, the long rack 111 is slidably connected to the left side of the top of the placing plate 1, the second L-shaped rod 112 is connected to the rear side of the left portion of the long rack 111, the second gear 113 is rotatably connected to the left side of the top of the placing plate 1, the second gear 113 is engaged with the long rack 111, the transmission gear 114 is rotatably connected to the upper portion of the front side of the third supporting rod 4, the third one-way gear 115 is engaged with the transmission gear 114.
When the sliding support block 54 moves rightwards to reset after the detection of the electric wires and cables is completed, the sliding support block 54 moves rightwards to drive the short rack 91 to move rightwards, the short rack 91 moves rightwards to drive the transmission gear 114 to rotate, the transmission gear 114 rotates to drive the third one-way gear 115 to rotate, the third one-way gear 115 rotates to drive the second gear 113 to rotate quickly, the second gear 113 rotates quickly to drive the long rack 111 to move rightwards quickly, the long rack 111 moves rightwards quickly to drive the second L-shaped rod 112 to move rightwards quickly, the electric wires and cables after the detection is completed are extruded, the electric wires and cables do not need to be taken down manually, the safety is improved, and the working efficiency is further improved.
On the basis of embodiment 3, as shown in fig. 3, the drop device 12 is further included, the drop device 12 includes a cold shrink tube 121 and a second spring 122, the left side of the screw rod 71 is connected with the cold shrink tube 121, the cold shrink tube 121 is located between the n-shaped rods 53 on both sides, and the second spring 122 is sleeved between the n-shaped rods 53 on both sides and the placing plate 1.
When the sliding support block 54 is ignited to continue moving leftwards, the wire and cable are located under the cold shrinkage pipe 121 after five seconds, if fire on the wire and cable is not extinguished, the cold shrinkage pipe 121 is expanded to drive the n-type rods 53 on two sides to move outwards, the n-type rods 53 move outwards to form second springs 122 to be compressed, the n-type rods 53 move outwards to enable unqualified wire and cable to fall downwards, the cold shrinkage pipe 121 shrinks gradually after falling, the n-type rods 53 on two sides reset through the compressed second springs 122, if the wire and cable is located under the cold shrinkage pipe 121, the wire and cable is manually reset through the reversing motor 81, the qualified wire and cable is extruded through the second L-shaped rod 112 during resetting, and the effect of separating and collecting the qualified wire and the unqualified wire and cable is achieved.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A wire and cable heat resistance performance detection device, characterized by includes:
the placing plate (1) is connected with a first supporting rod (2);
a second strut (3) connected to the resting plate (1);
a third strut (4) connected to the resting plate (1);
the storage component (5) is connected to the first supporting rod (2);
a heating component (6) arranged on the placing plate (1).
2. A device for detecting the heat resistance of electric wires and cables according to claim 1, wherein the magazine assembly (5) comprises:
a blanking frame (51) connected to the first strut (2);
a blanking roller (52) rotatably connected to the blanking frame (51);
an n-type rod (53) slidably attached to the placement plate (1);
and a sliding support block (54) which is connected to the n-type rod (53) in a sliding manner.
3. A device for detecting the resistance of an electric wire to heat according to claim 2, characterized in that the heating assembly (6) comprises:
a large lighter (61) connected to the placement plate (1);
a first L-shaped rod (62) connected to the large lighter (61);
a first spring (63) sleeved between the first L-shaped rod (62) and the second support rod (3).
4. A device for detecting the heat resistance of an electric wire according to claim 3, further comprising left and right assemblies (7), wherein the left and right assemblies (7) comprise:
a screw (71) rotatably connected to the third strut (4);
a positioning block (72) which is connected to the screw rod (71) in a threaded manner;
and an L-shaped sliding rod (73) which is connected to the positioning block (72) in a sliding manner, wherein the L-shaped sliding rod (73) is connected with the sliding support block (54).
5. The device for detecting the heat resistance of the electric wire and cable according to claim 4, further comprising a driving assembly (8), wherein the driving assembly (8) comprises:
a motor (81) mounted on the placement plate (1);
a missing gear (82) connected to the output shaft of the motor (81);
the first gear (83) is rotatably connected to the first support rod (2), the first gear (83) is meshed with the missing gear (82), and the first gear (83) is in transmission connection with the screw rod (71).
6. The device for detecting the heat resistance of the electric wire and cable as claimed in claim 5, further comprising a lifting assembly (9), wherein the lifting assembly (9) comprises:
a short rack (91) connected to the shoe block (54);
a first rotating shaft (92) rotatably connected to the second strut (3);
a cam (93) connected to the first rotating shaft (92), the cam (93) being located right below the first L-shaped lever (62);
and the first one-way gear (94) is connected to the first rotating shaft (92), and the first one-way gear (94) is meshed with the short rack (91).
7. The device for detecting the heat resistance of the electric wire and cable according to claim 6, further comprising a blanking assembly (10), wherein the blanking assembly (10) comprises:
the second one-way gear (101) is rotatably connected to the second support rod (3), and the second one-way gear (101) is meshed with the short rack (91);
the second rotating shaft (102) is rotatably connected to the second support rod (3), and the second rotating shaft (102) is in transmission connection with the second one-way gear (101);
a first bevel gear (103) connected to the second rotating shaft (102);
and the second bevel gear (104) is connected to the blanking roller (52), and the second bevel gear (104) is meshed with the first bevel gear (103).
8. The device for detecting the heat resistance of the electric wire and cable according to claim 7, further comprising a pushing assembly (11), wherein the pushing assembly (11) comprises:
a long rack (111) which is connected on the placing plate (1) in a sliding way;
a second L-shaped rod (112) connected to the long rack (111);
a second gear (113) rotatably connected to the placing plate (1), the second gear (113) meshing with the long rack (111);
a transmission gear (114) rotatably connected to the third strut (4);
and the third one-way gear (115) is rotatably connected to the third support rod (4), the third one-way gear (115) is meshed with the transmission gear (114), and the third one-way gear (115) is in transmission connection with the second gear (113).
9. The apparatus for detecting the heat resistance of an electric wire and cable as claimed in claim 8, further comprising a dropping assembly (12), wherein the dropping assembly (12) comprises:
a cold shrink tube (121) connected to the screw rod (71);
and the second spring (122) is sleeved between the n-shaped rod (53) and the placing plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244486.5A CN112595738A (en) | 2020-11-10 | 2020-11-10 | Wire and cable heat resistance performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244486.5A CN112595738A (en) | 2020-11-10 | 2020-11-10 | Wire and cable heat resistance performance detection device |
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| Publication Number | Publication Date |
|---|---|
| CN112595738A true CN112595738A (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011244486.5A Pending CN112595738A (en) | 2020-11-10 | 2020-11-10 | Wire and cable heat resistance performance detection device |
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| CN104090081A (en) * | 2014-07-22 | 2014-10-08 | 重庆大学 | Quick detection method for poor-quality halogen-free flame-retardant wires/cables |
| CN107644714A (en) * | 2017-10-23 | 2018-01-30 | 宝鸡长达电气科技有限公司 | The manufacture method and its detection method of a kind of electric wire |
| CN109324149A (en) * | 2018-09-28 | 2019-02-12 | 江西圣塔电缆科技有限公司 | A kind of fire-retardant and resistance to fire detection device of cable |
| CN209367257U (en) * | 2018-08-22 | 2019-09-10 | 青岛颐中科技有限公司 | Cigarette fixture, electronic cigarette smoking machine cigarette automatical feeding system and blanking system |
| CN209820922U (en) * | 2019-04-12 | 2019-12-20 | 东检检测认证江苏有限公司 | Detection device for wire and cable cracking resistance test |
| CN110864977A (en) * | 2019-12-06 | 2020-03-06 | 芜湖航天特种电缆厂股份有限公司 | Low-temperature tensile test method for cable |
-
2020
- 2020-11-10 CN CN202011244486.5A patent/CN112595738A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090081A (en) * | 2014-07-22 | 2014-10-08 | 重庆大学 | Quick detection method for poor-quality halogen-free flame-retardant wires/cables |
| CN107644714A (en) * | 2017-10-23 | 2018-01-30 | 宝鸡长达电气科技有限公司 | The manufacture method and its detection method of a kind of electric wire |
| CN209367257U (en) * | 2018-08-22 | 2019-09-10 | 青岛颐中科技有限公司 | Cigarette fixture, electronic cigarette smoking machine cigarette automatical feeding system and blanking system |
| CN109324149A (en) * | 2018-09-28 | 2019-02-12 | 江西圣塔电缆科技有限公司 | A kind of fire-retardant and resistance to fire detection device of cable |
| CN209820922U (en) * | 2019-04-12 | 2019-12-20 | 东检检测认证江苏有限公司 | Detection device for wire and cable cracking resistance test |
| CN110864977A (en) * | 2019-12-06 | 2020-03-06 | 芜湖航天特种电缆厂股份有限公司 | Low-temperature tensile test method for cable |
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